#ifndef __DRV_SYSTICK_H__
#define __DRV_SYSTICK_H__
#include <stm32f4xx.h>
void drv_systick_init(uint32_t systick);
void drv_systick_ms(uint16_t ms);
void drv_systick_us(uint16_t us);

#endif //__DRV_systick_H__

